Certificate 05/4258 Industrial Textiles and Plastics Ltd. Powerlon ultraperm vapour permeable roof tile underlay in energy-efficient non-ventilated cold pitched roof systems

Publication Year

2005

Document Status

Withdrawn

Abstract

Relates to Powerlon ultraperm vapour permeable roof tile underlay in energy-efficient non-ventilated cold pitched roof systems, designed for use as a roof tile underlay for tiled or slated pitched roofs. The product prevents the ingress of wind-blown rain or snow, is resistant to tearing during installation and remains flexible at low ambient temperatures and has a high slip resistance. The product is permeable to water vapour but will not allow liquid water to pass through.

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